15.
To find this, here is the work in the photo attached:
To find this, here is the work in the photo attached:
If AD = y + 6 and DC = 2y, what is the length of DC?
1 answer:
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Answer:
1
Step-by-step explanation:
1. Convert the mixed number to an improper fraction to match the rest of the problem (this just makes it easier for now, the answer will still be a mixed number)
-1 becomes
2. Re-write the new equation. When there is a "+" in front of a set of parentheses the expression doesn't change aside from removing the plus signs.
The new equation becomes
3. Calculate. Just work out the new expression.
The answer is
4. Convert to a simplified mixed decimal.
27 goes into 20 once with seven left over, making the answer 1
